CN216551033U - Lower bracket and sewing machine - Google Patents
Lower bracket and sewing machine Download PDFInfo
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- CN216551033U CN216551033U CN202122940565.6U CN202122940565U CN216551033U CN 216551033 U CN216551033 U CN 216551033U CN 202122940565 U CN202122940565 U CN 202122940565U CN 216551033 U CN216551033 U CN 216551033U
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- bracket
- connecting column
- sewing machine
- threaded
- thread
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Abstract
The utility model discloses a lower bracket and a sewing machine, wherein the lower bracket comprises a bracket body and a bracket connecting column, the first end of the bracket connecting column is arranged on the bracket body, the second end of the bracket connecting column is provided with a thread structure, and the thread structure is used for being fixedly connected with the sewing machine. The support connecting column and the support body are integrally formed, so that the assembly procedures of the lower support are reduced, and the assembly error of the lower support in the sewing machine is reduced. The utility model can be widely applied to the technical field of sewing machines.
Description
Technical Field
The utility model relates to the technical field of sewing machines, in particular to a lower support and a sewing machine.
Background
Small-sized sewing machines generally comprise a machine head, a base, a lower bracket, a transmission, accessories and the like, wherein the lower bracket is an auxiliary structure of the sewing machine, and the lower bracket is arranged in the base of the sewing machine and is positioned below a machine needle. The conventional lower bracket has the defects of various assembling procedures, large assembling error and the like in the assembling process, and the difficulty and the cost of producing the sewing machine are increased.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the present invention provides a lower bracket and a sewing machine, and adopts the following technical solutions.
The lower bracket provided by the utility model comprises a bracket body and a bracket connecting column, wherein the first end of the bracket connecting column is arranged on the bracket body, and the second end of the bracket connecting column is provided with a thread structure; the bracket connecting column and the bracket body are integrally formed.
In some embodiments of the utility model, the lower bracket comprises a threaded connector, at least a portion of which is embedded in the second end of the bracket connection post, the threaded connector being provided with the threaded formation.
In some embodiments of the utility model, the thread formation is provided as an internal thread.
In some embodiments of the utility model, the side surface of the threaded connector is provided with an anti-rotation structure.
In some embodiments of the utility model, the anti-rotation structure comprises alternating concave and convex strip-shaped structures.
In some embodiments of the utility model, the threaded connection is provided as a metal piece.
In some embodiments of the present invention, the bracket body and the bracket connection post are integrally formed by injection molding.
In some embodiments of the present invention, the stent connecting pillars are respectively disposed on the side surfaces of the stent body at diagonal positions.
The sewing machine provided by the utility model is provided with the lower bracket, and the second end of the bracket connecting column is connected with the sewing machine in a thread locking mode.
The embodiment of the utility model has at least the following beneficial effects: the lower support is internally provided with the support connecting column in an integrally formed mode, and the support connecting column is fixedly installed with the sewing machine through a thread structure, so that the assembling procedures of the lower support are reduced, and the assembling error of the lower support in the sewing machine is reduced. The utility model can be widely applied to the technical field of sewing machines.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings.
Fig. 1 is a structural view of a lower bracket.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that if the terms "center", "middle", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., are used in an orientation or positional relationship indicated based on the drawings, it is merely for convenience of description and simplicity of description, and it is not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore, is not to be considered as limiting the present invention. The features defined as "first" and "second" are used to distinguish feature names rather than having a special meaning, and further, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model relates to a sewing machine, wherein a lower bracket is arranged in the sewing machine and is fixedly connected with a base of the sewing machine, and specifically, a bracket connecting column 102 in the lower bracket is connected with the sewing machine in a thread locking mode.
It is understood that the sewing machine includes a rotating hook, which is disposed on a lower bracket, which is provided with a hook plate mounting position 104, in conjunction with the drawings.
The sewing machine comprises a cloth feeding swing frame, the cloth feeding swing frame is hinged with a lower frame, the lower frame is provided with a first connecting part 105, and a hinge hole 106 for installing the cloth feeding swing frame is arranged on the first connecting part 105.
Other configurations and operations of the sewing machine are well known to those skilled in the art and will not be described in detail herein, and the structure of the lower frame will be described below.
The utility model relates to a lower bracket, which comprises a bracket body 101 and a bracket connecting column 102, wherein the bracket connecting column 102 is arranged on one side of the bracket body 101, and particularly, the first end of the bracket connecting column 102 is arranged on the bracket body 101.
The support connecting columns 102 are used for being fixedly installed with the sewing machine, and it can be understood that the support connecting columns 102 are arranged in a plurality in order to ensure that the lower support is firmly installed in the sewing machine. Further, the side surfaces of the stent body 101 are respectively provided with stent connecting columns 102 at diagonal positions to form mounting points at staggered positions, so that the number of the stent connecting columns 102 is reduced under the condition of ensuring the connection strength.
With reference to the drawings, the two bracket connecting columns 102 are arranged, and compared with the bracket body 101, one bracket connecting column 102 is arranged close to the front right side, and the other bracket connecting column 102 is arranged close to the rear left side. Specifically, two bracket connection posts 102 are located at opposite corners of the rectangular area, respectively. It can be understood that the line connecting the positions of the two bracket connecting posts 102 is in an oblique orientation with respect to the left and right longitudinal directions of the bracket body 101.
In order to reduce the work of disassembling and assembling the lower bracket, the bracket connecting column 102 and the bracket body 101 are integrally formed, and it can be understood that the bracket body 101 is provided with the bracket connecting column 102, when the lower bracket is installed on a sewing machine, the bracket connecting column 102 is fixed on the sewing machine, so that the installation of the lower bracket is completed, and the installation operation of the bracket connecting column 102 and the bracket body 101 is reduced. In some examples, the bracket body 101 and the bracket connection post 102 are integrally formed by injection molding.
In the related art, the support connecting column is set to be a separable structure in the lower bracket, in the assembling process of the sewing machine, connecting pieces such as nuts, screws, bolts or studs need to be purchased additionally, the support connecting column and the lower bracket are fixedly installed, the economic cost and the production time of sewing machine manufacturers are increased, and the production efficiency is influenced. Some lower brackets are even designed with positioning structures so as to accurately mount the bracket connecting columns, which undoubtedly increases the difficulty of opening the lower bracket.
In the lower bracket of the utility model, the bracket body 101 and the bracket connecting column 102 are designed in an integrated forming mode, so that the assembly and disassembly processes of the lower bracket can be effectively reduced, the assembly error of the lower bracket is reduced, and the cost of the sewing machine is reduced.
It can be understood that the second end of the stand connecting column 102 is used for being fixedly connected with the sewing machine, and specifically, the second end of the stand connecting column 102 is provided with a thread structure, and the second end of the stand connecting column 102 is fixed with the sewing machine in a thread locking manner.
The support body 101 is provided with a plurality of second connecting parts 107, the second connecting parts 107 are provided with connecting holes, and the second connecting parts 107 are connected with the sewing machine by penetrating through the connecting holes by connecting pieces such as screws, bolts or studs.
With the aid of the accompanying drawings, the second connecting portions 107 are arranged to be two, the two second connecting portions 107 are arranged on the rear side of the support body 101, the support connecting column 102 is arranged on the upper side of the support body 101, the second end of the support connecting column 102 is the upper end of the support connecting column 102, it can be understood that the lower support and the sewing machine can be installed in a reinforcing mode by connecting the second connecting portions 107 and the support connecting column 102 from different directions and connecting the lower support and the sewing machine.
As an embodiment, the lower bracket includes a threaded connector 103, and at least a portion of the threaded connector 103 is embedded in the second end of the bracket connection post 102. it is understood that the threaded connector 103 is placed in a corresponding position of the mold during the injection molding of the lower bracket, and the threaded connector 103 is fixed to the second end of the bracket connection post 102 after the lower bracket is cooled and molded.
Further, the threaded connection 103 is provided with a threaded structure. In particular, the thread formation is provided as an internal thread. It will be appreciated that the threaded connector 103 is provided with a threaded bore, and the frame attachment post 102 is secured to the sewing machine by a screw connection to the threaded connector 103. Of course, it is alternatively possible to design: the bracket connecting column 102 is fixed with the sewing machine by a stud and thread connecting piece 103 and a nut arranged on the stud.
Regarding the threaded connection 103 and the threaded structure, as an alternative: one part of the threaded connecting piece 103 is embedded into the second end of the bracket connecting column 102, the exposed part of the threaded connecting piece 103 is a stud, and the external thread on the stud is used as a threaded structure and is locked and fixed on the sewing machine through a nut.
The side of the threaded connector 103 is provided with an anti-rotation structure, so that the threaded connector 103 is firmly connected with the bracket connection column 102, and it can be understood that the anti-rotation structure on the threaded connector 103 can also play a good reinforcing role in the process of mounting the bracket connection column 102 and the thread of the sewing machine.
In some examples, the anti-rotation structure includes a plurality of bar structures arranged at intervals, specifically, the side surface of the threaded connection member 103 is provided with a plurality of bar structures arranged along the axial direction of the threaded connection member 103, and the axial direction of the threaded connection member 103 is consistent with the axial direction of the threaded structure. It can be understood that the strip structures are arranged on the side face of the threaded connecting piece 103 at intervals to form a concave-convex alternate structure, and after injection molding and cooling, the material of the lower bracket is embedded with the concave-convex alternate structure on the side face of the threaded connecting piece 103 to reinforce the installation of the threaded connecting piece 103 and the bracket connecting column 102.
Of course, with regard to the anti-rotation structure, it is understood that the threaded connector 103 may alternatively be designed to have an overall oval or flat configuration, or one end of the threaded connector 103 may be provided with an oval or flat configuration. In some examples, the threaded connector 103 is alternatively designed as a hex nut, or the threaded connector 103 has a hex outer side.
The threaded connection 103 is provided as a metal piece in view of the high temperature effect of the injection molding of the lower bracket. It will be appreciated that, on the other hand, the metal structure provides greater attachment strength to facilitate mounting of the reinforced frame attachment post 102 to a sewing machine.
As regards the support connection column 102 and the thread structure, it can alternatively be provided that: in the injection molding process, the second end of the bracket connecting column 102 is provided with a preformed hole, after injection molding, the inner wall of the preformed hole is tapped to form an internal thread, and the internal thread is used as a thread structure of the bracket connecting column 102.
In the description herein, references to the terms "one embodiment," "some examples," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like, if any, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (9)
1. A subframe, comprising: comprises that
A holder body (101);
the bracket connecting column (102), a first end of the bracket connecting column (102) is arranged on the bracket body (101), and a second end of the bracket connecting column (102) is provided with a thread structure;
wherein the bracket connecting column (102) and the bracket body (101) are integrally formed.
2. The lower rack of claim 1, wherein: the lower bracket comprises a threaded connector (103), at least a part of the threaded connector (103) is embedded in the second end of the bracket connection post (102), and the threaded connector (103) is provided with the threaded structure.
3. The lower rack according to claim 1 or 2, wherein: the thread structure is provided as an internal thread.
4. The lower rack of claim 2, wherein: and an anti-rotation structure is arranged on the side surface of the threaded connecting piece (103).
5. The subframe of claim 4, wherein: the anti-rotation structure comprises strip-shaped structures with alternate concave and convex.
6. The lower rack of claim 2, wherein: the threaded connecting piece (103) is provided as a metal piece.
7. The subframe of claim 1 or 6, wherein: the bracket body (101) and the bracket connecting column (102) are integrally formed in an injection molding mode.
8. The lower rack according to claim 1 or 2, wherein: the bracket connecting columns (102) are arranged on the side surfaces of the bracket body (101) at diagonal positions respectively.
9. A sewing machine characterized by: the lower bracket of any one of claims 1 to 8 is arranged in a sewing machine, and the second end of the bracket connecting column (102) is connected with the sewing machine in a thread locking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940565.6U CN216551033U (en) | 2021-11-25 | 2021-11-25 | Lower bracket and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122940565.6U CN216551033U (en) | 2021-11-25 | 2021-11-25 | Lower bracket and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216551033U true CN216551033U (en) | 2022-05-17 |
Family
ID=81577400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122940565.6U Active CN216551033U (en) | 2021-11-25 | 2021-11-25 | Lower bracket and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216551033U (en) |
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2021
- 2021-11-25 CN CN202122940565.6U patent/CN216551033U/en active Active
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